Cosmic Perturbations Through the Cyclic Ages

  title={Cosmic Perturbations Through the Cyclic Ages},
  author={Joel K. Erickson and Steven Gratton and Paul J. Steinhardt and Neil Turok},
We analyze the evolution of cosmological perturbations in the cyclic model, paying particular attention to their behavior and interplay over multiple cycles. Our key results are: (1) galaxies and large scale structure present in one cycle are generated by the quantum fluctuations in the preceding cycle without interference from perturbations or structure generated in earlier cycles and without interfering with structure generated in later cycles; (2) the ekpyrotic phase, an epoch of gentle… CONTINUE READING


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